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作者:

Zhao, Qinglin (Zhao, Qinglin.) | Hu, Bin (Hu, Bin.) | Shi, Yujun (Shi, Yujun.) | Li, Yang (Li, Yang.) | Moore, Philip (Moore, Philip.) | Sun, Minghou (Sun, Minghou.) | Peng, Hong (Peng, Hong.)

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EI Scopus SCIE

摘要:

Electroencephalogram (EEG) signals have a long history of use as a noninvasive approach to measure brain function. An essential component in EEG-based applications is the removal of Ocular Artifacts (OA) from the EEG signals. In this paper we propose a hybrid de-noising method combining Discrete Wavelet Transformation (DWT) and an Adaptive Predictor Filter (APF). A particularly novel feature of the proposed method is the use of the APF based on an adaptive autoregressive model for prediction of the waveform of signals in the ocular artifact zones. In our test, based on simulated data, the accuracy of noise removal in the proposed model was significantly increased when compared to existing methods including: Wavelet Packet Transform (WPT) and Independent Component Analysis (ICA), Discrete Wavelet Transform (DWT) and Adaptive Noise Cancellation (ANC). The results demonstrate that the proposed method achieved a lower mean square error and higher correlation between the original and corrected EEG. The proposed method has also been evaluated using data from calibration trials for the Online Predictive Tools for Intervention in Mental Illness (OPTIMI) project. The results of this evaluation indicate an improvement in performance in terms of the recovery of true EEG signals with EEG tracking and computational speed in the analysis. The proposed method is well suited to applications in portable environments where the constraints with respect to acceptable wearable sensor attachments usually dictate single channel devices.

关键词:

Adaptive predictor filter DWT EEG ocular artifacts portable applications

作者机构:

  • [ 1 ] [Zhao, Qinglin]Lanzhou Univ, Sch Informat Sci & Engn, Lanzhou 730000, CO, Peoples R China
  • [ 2 ] [Hu, Bin]Lanzhou Univ, Sch Informat Sci & Engn, Lanzhou 730000, CO, Peoples R China
  • [ 3 ] [Shi, Yujun]Lanzhou Univ, Sch Informat Sci & Engn, Lanzhou 730000, CO, Peoples R China
  • [ 4 ] [Li, Yang]Lanzhou Univ, Sch Informat Sci & Engn, Lanzhou 730000, CO, Peoples R China
  • [ 5 ] [Sun, Minghou]Lanzhou Univ, Sch Informat Sci & Engn, Lanzhou 730000, CO, Peoples R China
  • [ 6 ] [Peng, Hong]Lanzhou Univ, Sch Informat Sci & Engn, Lanzhou 730000, CO, Peoples R China
  • [ 7 ] [Hu, Bin]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing, Peoples R China
  • [ 8 ] [Hu, Bin]Birmingham City Univ, Sch Comp Telecommun & Networks, Birmingham B42 2SU, W Midlands, England
  • [ 9 ] [Moore, Philip]Birmingham City Univ, Sch Comp Telecommun & Networks, Birmingham B42 2SU, W Midlands, England

通讯作者信息:

  • [Hu, Bin]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing, Peoples R China

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来源 :

IEEE TRANSACTIONS ON NANOBIOSCIENCE

ISSN: 1536-1241

年份: 2014

期: 2

卷: 13

页码: 109-117

3 . 9 0 0

JCR@2022

ESI学科: BIOLOGY & BIOCHEMISTRY;

ESI高被引阀值:201

JCR分区:2

中科院分区:3

被引次数:

WoS核心集被引频次: 54

SCOPUS被引频次: 71

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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